Mumbai, Sept. 3 -- COMEX Copper futures rose today, adding gains for a second session as equities showed some stability. Weak US dollar and steady cues from global manufacturing PMIs also boosted the red metal. COMEX Copper futures are currently trading at $6.63 per pound, up 0.49% on the day. MCX Copper futures are trading at Rs 1373.25 per kg, up 0.17% on the day after testing highs above Rs 1376 per kg. Meanwhile, in stock markets, China's Shanghai Composite index ended flat. Hong Kong's Hang Seng index fell 0.39% while Japanese Nikkei index eased 0.17%. European stocks saw tight movement today. The US markets ended with decent gains on Wednesday but overall sentiments remained cautious as US bond yields held near multi year high levels....